<template>
	<view v-if="goods_info.goods_name">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
		  <swiper-item v-for="(item, i) in goods_info.pics" :key="i" @click="preview(i)">
		    <image :src="item.pics_big"></image>
		  </swiper-item>
		</swiper>
		<view class="goods-info-box">
		  <view class="price">￥{{goods_info.goods_price}}</view>
		  <view class="goods-info-body">
		    <view class="goods-name">{{goods_info.goods_name}}</view>
		    <view class="favi">
		      <uni-icons type="star" size="18" color="gray"></uni-icons>
		      <text>收藏</text>
		    </view>
		  </view>
		  <view class="yf">快递：免运费---{{yf}}</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce" v-if="goods_info.goods_introduce"></rich-text>
		<view class="goods_nav">
			<uni-goods-nav :fill="true" :options="options" :button-group="buttonGroup" @click="buttonHandeler" @buttonClick="buyHandeler" />
		</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	export default {
		data() {
			return {
				goods_info:{},
				options: [{
				      icon: 'shop',
				      text: '店铺'
				    }, {
				      icon: 'cart',
				      text: '购物车',
				      info: 0
				    }],
				    // 右侧按钮组的配置对象
				    buttonGroup: [{
				        text: '加入购物车',
				        backgroundColor: '#ff0000',
				        color: '#fff'
				      },
				      {
				        text: '立即购买',
				        backgroundColor: '#ffa200',
				        color: '#fff'
				      }
				    ]
			}
		},
		onLoad(options){
			console.log(options);
			this.getGoodsInfo(options.goods_id)
		},
		 watch: {
		    total: {
		         handler(newVal) {
		            const findResult = this.options.find(x => x.text === '购物车')
		            if (findResult) {
		               findResult.info = newVal
		            }
		         },
				 immediate: true
		      }
		  },
		computed:{
			...mapState('mcart',['cart','yf']),
			...mapGetters('mcart',['total'])
		},
		methods:{
			...mapMutations('mcart',['addToCart']),
			async	getGoodsInfo(goods_id){
				const {data:res} = await uni.$http.get('/api/public/v1/goods/detail', { goods_id })
				if (res.meta.status !== 200) return uni.$showMsg()
				res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(/webp/g,'jpg')
				console.log(res.message);
				this.goods_info = res.message
			},
			// 预览图
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x => x.pics_big)
				})
			},
			// 按钮的处理事件
			buttonHandeler(e){
				console.log(e);
				if(e.index==1){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			},
			buyHandeler(e){
				if(e.index==0){
					 const goods = {
					         goods_id: this.goods_info.goods_id,       // 商品的Id
					         goods_name: this.goods_info.goods_name,   // 商品的名称
					         goods_price: this.goods_info.goods_price, // 商品的价格
					         goods_count: 1,                           // 商品的数量
					         goods_small_logo: this.goods_info.goods_small_logo, // 商品的图片
					         goods_state: true                         // 商品的勾选状态
					      }
					this.addToCart(goods)
					console.log(goods);
				}
			}
		}
	}
</script>

<style lang="scss">
swiper {
  height: 750rpx;

  image {
    width: 100%;
    height: 100%;
  }
}
// 商品信息区域的样式
.goods-info-box {
  padding: 10px;
  padding-right: 0;

  .price {
    color: #c00000;
    font-size: 18px;
    margin: 10px 0;
  }

  .goods-info-body {
    display: flex;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
      padding-right: 10px;
    }
    // 收藏区域
    .favi {
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      border-left: 1px solid #efefef;
      color: gray;
    }
  }

  // 运费
  .yf {
    margin: 10px 0;
    font-size: 12px;
    color: gray;
  }
}
.goods-detail-container {
  // 给页面外层的容器，添加 50px 的内padding，
  // 防止页面内容被底部的商品导航组件遮盖
  padding-bottom: 50px;
}
rich-text {
	display: block;
	margin-bottom: 50px;
}

.goods_nav {
  // 为商品导航组件添加固定定位
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
</style>
